News and articles from Topstar

In injection moulding, depending on material properties and process requirements, different mould temperature controllers settings, such as 120°C, 160°C, or 180°C, may be needed to achieve optimal moulding performance. This is because injection moulding typically involves a variety of materials, from general-purpose plastics to engineering polymers. Each material has specific requirements for mould heating and… Continue reading 120℃/160℃/180℃: Which mould temperature controller is suitable for your injection molding process?

Nitrided steel screws undergo a special surface treatment that provides superior hardness, wear resistance, and long-term dimensional stability. This allows manufacturers to process a wide range of materials, including abrasives, reinforced materials, and engineering plastics, while maintaining consistent product quality and machine performance. In Topstar’s hydraulic injection molding machine, nitrided screws deliver reliable plasticization and… Continue reading Advantages of nitrided steel screws: Suitable for hydraulic injection molding machine processing various materials

Injection molding production relies heavily on the precise fit between the mold and the injection molding machine. Among all operating parameters, clamping force is one of the most critical factors affecting mold safety, product quality, and machine stability. When the clamping force of the molding machine does not match the mold requirements, various problems can… Continue reading Molding Machine Troubleshooting: Repairing Mold Damage Caused by Clamping Force Mismatch

When performing non-standard insert movements, such as angular insertion, deep cavity placement, multi-step orientation, or combined handling and assembly, the mechanical structure and control system of injection molding robots require extremely high precision. In Topstar’s MDE series of robotic arms, the AC servo injection molding robot combines a servo drive platform with a main arm… Continue reading Advantages of Q235 steel arm: Enables injection molding robots to perform various non-standard insert motions

Precise temperature control in the injection moulding dryer ensures stable part quality and reduces scrap rates. For materials such as PA, PET, and PBT, the ±1℃ temperature control range in injection moulding dryers often determines whether dimensional tolerances or product mechanical properties meet standards. For users new to our dryers, we will explain here how… Continue reading How to Calibrate the PID Controller of Topstar Injection Moulding Dryer for 1℃ Temperature Accuracy?

In most manufacturing plants, water contains high concentrations of calcium and magnesium ions. When these dissolved minerals are heated within the mould temperature controllers, they precipitate and gradually form scale on the heater surface, pipe walls, and mould channels. Over time, scale buildup narrows pipe diameters, reduces heat transfer efficiency, increases pump load, and ultimately… Continue reading How to solve the problem of blockage in the mould temperature controllers’ pipeline?

Even minor positional deviations during demolding in injection robots can trigger alarms, interrupt production cycles, damage molds, or reduce part quality. These problems typically stem from inconsistent ejector positions, mismatched gripping timing, or mechanical tolerances accumulated over long production cycles. Traditional injection molding robot systems heavily rely on preset positions and fixed times, making them… Continue reading How can injection robots achieve automatic tracking to solve the problem of positional deviation?

Residual trace moisture in hygroscopic raw materials such as nylon, PET, or PBT can reduce melt quality, shorten plastic mold life, and increase waste. Topstar’s cabinet dryer solves this problem through intelligent timing, robust safety features, and precise temperature control. With a built-in 24-hour timer, adjustable airflow, PID temperature control, and a multi-layer protection system,… Continue reading 24-hour timer function: Topstar cabinet dryer can achieve timed drying

In Topstar’s injection molding robots series, the EU series is not simply an injection molding robot, but rather a system designed to improve molding efficiency throughout the entire injection molding production process. It shortens cycle times, stabilizes downstream operations, and reduces energy consumption per part. Topstar optimizes motion control and mechanical dynamics by combining AC… Continue reading Why can Topstar’s EU series injection molding robots improve overall production efficiency?

Even trace amounts of moisture in hygroscopic resins can lead to hydrolysis, bubbles, and short shots, thus reducing the first-pass yield. Dehumidifying dryer address this problem by providing reliably low dew point drying air, ensuring that the polymer entering the injection molding machine is stable and its performance is predictable. Topstar’s dehumidifying drying solutions stand… Continue reading Why can Topstar dehumidifying dryer provide a stable low dew point for injection molding?

The plastic auto loader is responsible for the physical movement, metering, and processing of plastic granules before they reach the injection molding machine. Because raw material purity directly affects melt quality, cycle stability, and finished product appearance, the design and material selection of single auto loaders are crucial. Topstar’s TAL series single auto loaders take… Continue reading Stainless steel hopper: Enables contamination-free feeding for the plastic auto loader

The manufacturing tolerance for errors in precision plastic parts is exceptionally low. Even a deviation of a few micrometers can lead to the scrapping of an entire batch of parts and unstable assembly. Unlike traditional product manufacturing and the production of other precision plastic parts, the requirements for dimensional tolerances, repeatability, and melt behavior stability… Continue reading Molding Machine Buying Guide: Key Parameters for Precision Plastic Parts Production